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- W2897124495 abstract "Jasmine scented black tea is widely popular in China and the scenting process is the most crucial issue affecting its aroma quality. This study aimed to analyze the influence of different processes on aroma quality and the specific contribution of volatiles to aroma quality. To achieve it, the headspace solid-phase microextraction method combined with gas-chromatography mass-spectrometry was used to identify and quantify the volatile compounds, and further collected the characteristics according to odor activity values or contents. The quantitative descriptive analysis (QDA) and traditional sensory analysis (TSA) were used to evaluate its aroma quality and the correlation analysis between QDA and characteristic aroma compounds was carry out to analyze the specific contribution of characteristics to sensory quality. The GC/MS results showed that 130 aroma components and 20 characteristics were identified in 6 tea samples and more new volatile components appeared and less original volatile components disappeared in traditional scenting process (TSP) compared with continuous scenting process (CSP). The QDA and TSA results showed that TSP samples had better overall and jasmine than CSP samples. The correlation analysis between QDA and characteristics showed that nerolidol and methylbenzoate were related to overall, linalool and methyl anthranilate to jasmine, and decanal and benzeneacetaldehyde to sweet floral, roasted, and fermented. This study suggested that TSP is a favorable scenting process for black tea, and QDA is an objective and digital sensory evaluation method for jasmine scented black tea. PRACTICAL APPLICATION: Compare the effect of scenting technology on the aroma quality of jasmine scented black tea based on sensory analysis and chemical analysis, and suggested a favorable scenting process for processing jasmine scented black tea with better qualities. Explore the correlation between aroma composition and specific aroma properties to provide some useful information about guiding the scenting process to acquire a product with target aroma qualities. And the application of QDA for evaluation of jasmine scented black tea was better for consumers to understand the quality attributes of product." @default.
- W2897124495 created "2018-10-26" @default.
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- W2897124495 date "2018-10-19" @default.
- W2897124495 modified "2023-10-10" @default.
- W2897124495 title "Characterization of Volatile Compounds and Sensory Analysis of Jasmine Scented Black Tea Produced by Different Scenting Processes" @default.
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- W2897124495 doi "https://doi.org/10.1111/1750-3841.14340" @default.
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